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Finding the Fourth Proportional to 362,871.26, 544,554.57 and 126,211.58

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Solution

The fourth proportional to 362,871.26, 544,554.57 and 126,211.58 is: 189,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,871.26 : 544,554.57 = 126,211.58 : x
  2. Step 2: Convert to fraction form
    362,871.26/544,554.57 = 126,211.58/x
  3. Step 3: Cross multiply
    362,871.26x = 544,554.57 × 126,211.58
  4. Step 4: Simplify right side
    362,871.26x = 68,729,092,675.92
  5. Step 5: Solve for x
    x = 68,729,092,675.92/362,871.26
  6. Step 6: Final answer
    x = 189,403.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.